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itkVectorImageToImageAdaptor.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkVectorImageToImageAdaptor.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-03-03 15:11:40 $
00007   Version:   $Revision: 1.10 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkVectorImageToImageAdaptor_h
00018 #define __itkVectorImageToImageAdaptor_h
00019 
00020 #include "itkImageAdaptor.h"
00021 #include "itkVectorImage.h"
00022 
00023 namespace itk
00024 {
00025 namespace Accessor
00026 {
00027 
00042 template <class TType >
00043 class ITK_EXPORT VectorImageToImagePixelAccessor  
00044 {
00045 public:
00046 
00047   typedef unsigned int VectorLengthType;
00048   
00051   typedef  TType                 ExternalType;
00052 
00055   typedef VariableLengthVector< TType >         InternalType;
00056 
00058   typedef TType                  PixelType;
00059 
00060   inline void Set(InternalType output, const ExternalType & input) const
00061     { 
00062     output[m_ComponentIdx] = input;
00063     }
00064 
00065   inline ExternalType Get( const InternalType & input ) const
00066     {
00067     ExternalType output;
00068     output = input[m_ComponentIdx];
00069     return output;
00070     }
00071 
00072   void SetExtractComponentIdx( VectorLengthType idx )
00073     {
00074     m_ComponentIdx = idx;
00075     }
00076   VectorLengthType GetExtractComponentIdx() const
00077     {
00078     return m_ComponentIdx;
00079     }
00080   
00081   VectorImageToImagePixelAccessor() : m_ComponentIdx( 0 ) {};
00082   virtual ~VectorImageToImagePixelAccessor() {};
00083   
00084 private:
00085   VectorLengthType m_ComponentIdx;
00086 };
00087 
00088 } // end namespace Accessor
00089 
00107 template<class TPixelType, unsigned int Dimension>
00108 class ITK_EXPORT VectorImageToImageAdaptor : public
00109       ImageAdaptor< VectorImage< TPixelType, Dimension >,
00110         Accessor::VectorImageToImagePixelAccessor< TPixelType > >
00111 {
00112 public:
00114   typedef VectorImageToImageAdaptor                              Self;
00115   typedef VectorImage< TPixelType, Dimension >                   VectorImageType;
00116   typedef ImageAdaptor< VectorImageType,
00117       Accessor::VectorImageToImagePixelAccessor< TPixelType >  > Superclass;
00118   typedef SmartPointer<Self>                                     Pointer;
00119   typedef SmartPointer<const Self>                               ConstPointer;
00120 
00122   itkNewMacro(Self);  
00123 
00125   itkTypeMacro( VectorImageToImageAdaptor, ImageAdaptor );
00126 
00129   typedef typename Superclass::PixelContainer             PixelContainer;
00130   typedef typename Superclass::PixelContainerPointer      PixelContainerPointer;
00131   typedef typename Superclass::PixelContainerConstPointer PixelContainerConstPointer;
00132   typedef typename Superclass::IOPixelType                IOPixelType;
00133 
00135   typedef typename VectorImageType::VectorLengthType      VectorLengthType;
00136 
00137   // Set/GetMethods to set the component to be extracted.
00138   void SetExtractComponentIndex( VectorLengthType componentIdx )
00139     {
00140     this->GetPixelAccessor().SetExtractComponentIdx( componentIdx );
00141     }
00142 
00143   // Set/GetMethods to set the component to be extracted.
00144   VectorLengthType GetExtractComponentIndex() const
00145     {
00146     return this->GetPixelAccessor().GetExtractComponentIdx();
00147     }
00148   
00149 protected:
00150   VectorImageToImageAdaptor() {}
00151   virtual ~VectorImageToImageAdaptor() {}
00152   
00153 private:
00154   VectorImageToImageAdaptor(const Self&); //purposely not implemented
00155   void operator=(const Self&); //purposely not implemented
00156 
00157 };
00158 
00159   
00160 } // end namespace itk
00161   
00162 #endif
00163 

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